<template>
  <div class="about">
    <h1>{{ id ? '编辑' : '新建' }}物品</h1>
    <el-form label-width="120px" @submit.native.prevent="save">
      <!-- <el-form-item label="上级分类">
        <el-select v-model="model.parent">
          <el-option
            v-for="item in parents"
            :key="item._id"
            :label="item.name"
            :value="item._id"
          ></el-option>
        </el-select>
      </el-form-item> -->
      <el-form-item label="名称">
        <el-input v-model="model.name"></el-input>
      </el-form-item>
      <el-form-item label="图标">
        <el-upload
          class="avatar-uploader"
          :action="$http.defaults.baseURL + '/upload'"
          :show-file-list="false"
          :on-success="afterUpload"
        >
          <img v-if="model.icon" :src="model.icon" class="avatar" />
          <i v-else class="el-icon-plus avatar-uploader-icon"></i>
        </el-upload>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" native-type="submit">保存</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  props: {
    id: {},
  },
  data() {
    return {
      model: {},
    }
  },
  methods: {
    afterUpload(res) {
      this.$set(this.model, 'icon', res.url)
    },
    async save() {
      if (this.id) {
        await this.$http.put(`rest/items/${this.id}`, this.model)
      } else {
        await this.$http.post('rest/items', this.model)
      }

      this.$router.push('/items/list')
      this.$message({
        type: 'success',
        message: '保存成功',
      })
    },
    async fetch() {
      const res = await this.$http.get(`rest/items/${this.id}`)
      this.model = res.data
    },
  },
  created() {
    this.id && this.fetch()
  },
}
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 5rem;
  height: 5rem;
  line-height: 5rem;
  text-align: center;
}
.avatar {
  width: 5rem;
  height: 5rem;
  display: block;
}
</style>
